NUTOMO Palm Vein Smart Deadbolt – Keyless Entry with Built-in WiFi & Alexa. NUTOMO palm vein smart deadbolt (black). Unlock the future—no keys, no fingerprints, just your palm. 6 Ways to Unlock : Palm vein · PIN · IC card · APP · Alexa/Google voice · Physical key—perfect for family, guests, or Airbnb.
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